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一个小程序，用c++语言实现简单的一遍编译器，完成中缀表达式与后缀表达式之间的转换。-a small program, c simple language what the compiler, completed sergeant with the suffix expression between the expression change.

该程序可将逆波兰表达式转换为C语言程序。-the inverse process can be converted to Poland expression C language program.

递归下降分析器递归下降分析器删除语法分析器递归下降分析器

按照清华大学的教材，自己用C++做的一个小的哈夫曼编码器-materials they used to do a C minor Huffman encoder

eC++编译器源码-eC++ compiler source

简单的词法分析器,真的很简单,优点是容易看懂,适合于初学者-simple lexical analyzer, it is really simple, easy to understand advantage is suitable for beginners

用ＢＣＢ做的pascal词法分析器，语法还没有完成，请高手继续-do with BCB pascal lexical analyzer, the syntax is not yet complete, 19:56 continue

词法分析器,将输入的字符串识别成c语言的关键字等-lexical analyzer, the input string as c identification of keywords, such as language

现将本人搜集常用的程序设计语言的词法和形式文法提供给大家。其中，词法是按LEX格式编辑，形式文法是按YACC格式书写，大家可直接用LEX和YACC工具编译生成各类程序设计语言的分析器。-commonly used programming language syntax and grammar forms to the public. Among them, morphology is based on LEX format editing, grammar form is written by YACC format, we can use the LEX and YACC tools various compiler generation programming language analyzer.

用递归下降法分析算术表达式的框图，主要完成： ⑴ 通知外界键入算术表达式； ⑵ 控制Ｅ过程分析算术表达式； ⑶ 根据分析结果之正误，分别通知外界不同的信息。 -Analysis of recursive descent method with arithmetic expressions diagram, mainly to complete: ⑴ notice outside type arithmetic expressions ⑵ control process analysis arithmetic expression E ⑶ results are based on an analysis of error, respectively, different information to inform the outside world.